Well, stillicide must mean either making a huge amount of noise on a quiet day, or else breaking up some liquor-making equipment, yes?
Well, actually no. Neither of those.
This may be New Year's Eve, and a day when we are supposed to think about the death of the old year and the dawn of a new one - and admittedly a -cide ending is very often to do with killing someone or something - but, hey, there's enough misery around as it is.
Stillicide is a legal right or duty (and how refreshing, if unfashionable, to have those two concepts mentioned in the same sentence) to do with rainwater running off a roof.
I love this word. I gives me faith that I live among kind and civilised people, and that, on the whole, things will be all right.